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MAPPING OF LAND DEGRADATION FOR NATURAL RESOURCE MANAGEMENT IN FERLO - SENEGAL - A 2012 UNESCO MAB SITE

 

 

 

Drop in biomass production over 6 yr identified areas connected to boreholes where severe land degradation had taken place.

 

Land degradation coursed by unsustainable utilization of natural vegetation by livestocks is a major problem for management of wildlife in Sahel. In Ferlo fauna reserves, Senegal, we used a combination of Landsat and NOAA AVHRR data for understanding human influences on land degradation processes and provide decision support for management of faunal in reserves. Annual changes in bio-mass production over six years identified boreholes, natural ponds and wadies under high pressure.

 

The satellite derived resource pressure information where linked with areas of biodiversity importance to identify areas where natural resource management should be applied for conserving biodiversity values within the national parks.

 

This ground-breaking approach of using medium/high and low resolution satellite data together with biodiversity maps and e.g. boreholes has implication for management of natural resources not only on a national scale but also on a regional scale for areas under pressure form pastoralist. The satellite derived change analysis furthermore revealed a general drying of the area - which had a traumatic effect on selected tree species.

 

I 2012 the Ferlo reserves were included in the UNESCO MAB list.

 

PRINS, E (1997): Natural resources and resource utilization in Ferlo Fauna reserves, Senegal – A mapping report on natural resources and resource pressure. Danida/Ornis Consult Ltd. August 1997.

 

PRINS, E. (1997): Natural resources and resource utilisation in Ferlo faunal reserves - a. SEREIN Occasional papers No 5 - Sahel Workshop 1997, Baseline Mapping report on natural resources and resource utilisation.

 

Client: Danida 1994-99   

 

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